Pressurized air-filter container for mounting on a laser engraver

ABSTRACT

A pressurized air-filter container for mounting on a laser engraver, the structure includes a body container, an electric fan and at least a lens stand disposed within the body container for that a lens can be mounted thereon. An air inlet and air outlet is each located on lateral sides of the body container. An electric fan mounted on top of the air outlet draws air into the body container and, subsequently exhales air out through its other end to prevent exterior dust particles from accumulating on the lens surface.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a pressurized air-filter container, andmore particularly to a structure by utilizing an electric fan thatcontinuously draw-in air to create constant air flow within a bodycontainer for an extended period of time to prevent exterior dustparticles from entering the body container and being accumulated on thesurface of the lens therewithin. This invention provides a simple andeconomical solution to extend the usage life of the lens within the bodycontainer and is applicable to use in all types of laser engravingmachines.

2. Description of the Prior Art

Laser cutting and engraving process is applicable to a wide spectrum ofapplications and is extensively used today. Its advantages include highprecision, efficiency, reliability, and ease of control. Furthermore, itdoes not damage the work piece and yields high quality of finishedproduct.

The conventional laser engraver is designed to refract a laser beam witha lens stand positioned within a dustproof container adjacent to thelaser tube. However, after an extended period of use and continuousshaking caused by use, exterior dust particles will enter in through theexternal openings of the container and accumulate thereon the surface ofthe lens within the container. To ensure proper functioning of thedevice, the user needs to halt the engraving process at frequentintervals to dismantle and clean the lens within the container. To avoidsuch troublesome and time-consuming works, other conventional structureis to use an air compressor to channel air into the container via a tubeto prevent exterior dust particles from accumulating on the surface ofthe lens therein.

Although the method used in the latter structure can overcome the issueof dust accumulation on the lens surface, it requires the installationof an air compressor each time prior to initiating the engravingprocess. And the air compressor itself is complex, large in size, andcostly which is mainly designed for multi-functional uses, using it foronly to solve the above problems seems not economical.

In view of the above flaws, the inventor has studied and developed apressurized air-filter container to solve the present technologicalissues.

SUMMARY OF THE INVENTION

The primary objective of the present invention is to provide aself-contained, simple, economical, and convenient pressurizedair-filter container and it can prevent exterior dust particles fromaccumulating on the lens surface therewithin the container to extend theusage life of the lens.

To achieve the above objective, the present invention comprises a bodycontainer, an electric fan and at least one lens stand disposed withinthe body container for mounting a lens thereon. An air inlet and airoutlet is each located on lateral sides of the body container, and anelectric fan, mounted around the air inlet to allow the air outside thebody container being drawn into the body container and then exhale outthrough the air outlet to prevent exterior dust particles fromaccumulating thereon the lens surface.

The description of the disclosure will be more apparent with theaccompanying drawings, which show, for purposes of illustration only, apreferred embodiment in accordance with the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates a perspective view of an embodiment of the presentinvention;

FIG. 2 illustrates an exploded view of the FIG. 1;

FIG. 3 illustrates a perspective view showing combination status of theembodiment of the present invention with a laser tube; and

FIG. 4 illustrates a schematic view showing the air flow status of thepresent invention when the fan disposed therewithin is running.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

As illustrated in FIGS. 1 and 2, an embodiment of the present inventionof a pressurized air-filter container 1 comprises a body container 11and an electric fan 12.

The body container 11 is in the form of an L, within which disposed alens stand 111 (this embodiment exemplifies with 3 sets of lens stands)for respectively mounting lens 112 thereon. An air outlet 114 is locatedon the top of the body container 11, while an air inlet 113 is locatedon lateral side therebelow to allow air to flow and circulatetherewithin the body container 11. An electric fan 12 is mounted aroundthe air inlet 113, which is located on the lateral side of the bodycontainer 11.

By this means, air draws into the body container 11 via the electric fan12 and then exhales out through the air outlet 114 to prevent exteriordust particles from accumulating on the surface of the lens 112.

While In use as shown in FIGS. 2˜4, the electric fan 12 is firstlymounted therearound the air inlet 113 located on the side of the bodycontainer 11. Secondly, the body container 11 is attached with the lasertube 2 of a laser engraver to make laser beam being refracted by thelens 112 mounted on top of sets of lens stands 111 within the bodycontainer 1. The electric fan 12 operates simultaneously to ensure thatair outside is drawn into the body container 11 and then exhale throughthe air outlet 114 to prevent exterior dust particles from entering viathe air outlet 114 and accumulating on the surface of the lens 112.

In addition, as illustrated in FIGS. 2 and 4, to further preventexterior dust particles from entering the body container 11 via theelectric fan 12, a filter material 121 can be fixed (such as air-filtercloth or air-filter body) on top of the fan 12 to obtain the effect ofpreventing the entering of exterior dust particles .

Upon utilizing the above disclosed, the usage life of the lens 112 canbe extended by preventing exterior dust particles from entering the bodycontainer 11 and accumulating thereon the lens 112 within the bodycontainer 11. Furthermore, attaching the fan 12 with the body container11 not only simplifies the structure of the present invention for easyassembly and disassembly, but also effectively lowers its productioncost, hence, making it more economical.

In sum, the present invention can indeed achieve its anticipatedobjective and provide a simple, convenient, and low cost embodiment of apressurized air-filter container. While we have shown and described theembodiment in accordance with the present invention, it should be clearto those skilled in the art that further embodiments may be made withoutdeparting from the scope of the present invention.

1. A pressurized air-filter container for mounting on a laser engraver,comprising: a body container, having at least one lens stand disposedtherewithin for mounting a lens, and having an air inlet and air outleteach located on lateral sides thereof; and an electric fan, mountedaround the air inlet, wherein air is drawn into the body container, andsubsequently exhales out through the air outlet to prevent exterior dustparticles from entering the body container and being accumulated on thelens.
 2. The pressurized air-filter container as claimed in claim 1,wherein the fan further includes a filter material used to filter thedrawn-in air.
 3. The pressurized air-filter container as claimed inclaim 2, wherein the filter material may be an air-filter cloth orair-filter body
 4. The pressurized air-filter container as claimed inclaim 1, wherein the body container is in the form of an L, and the airinlet is located at a lateral side of lower portion of the bodycontainer, while the air outlet is located on the top of the bodycontainer.